Alternators The speed of a salient pole machine is nearly 1500 rpm 500 rpm 1000 rpm 3000 rpm 1500 rpm 500 rpm 1000 rpm 3000 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators The rating of an alternator is expressed in______ kVA kW HP kVAR kVA kW HP kVAR ANSWER DOWNLOAD EXAMIANS APP
Alternators If the excitation of an alternator operating in parallel with other alternators is decreased, its ______ Pf becomes more lagging Pf becomes more leading Output kW will change None of the listed here Pf becomes more lagging Pf becomes more leading Output kW will change None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators For producing an emf of given frequency, an alternator will run at greatest speed for _____ poles. 2 8 4 12 2 8 4 12 ANSWER DOWNLOAD EXAMIANS APP
Alternators An alternator supplying power to a load with a leading power factor always has ______ voltage regulation. Negative Zero Unity Positive Negative Zero Unity Positive ANSWER DOWNLOAD EXAMIANS APP
Alternators Alternators, now a days, are designed to have poor regulation because None of the listed here It limits the value of short circuit current We employ automatic voltage regulators It reduces the construction cost None of the listed here It limits the value of short circuit current We employ automatic voltage regulators It reduces the construction cost ANSWER DOWNLOAD EXAMIANS APP